igt@gem_exec_flush@basic-wb-rw-default - timeout - GEM_BUG_ON(!atomic_read(&tl->pin_count))

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7703/shard-glk3/igt@gem_exec_flush@basic-wb-rw-default.html

<3> [72.271424] intel_timeline_enter:351 GEM_BUG_ON(!atomic_read(&tl->pin_count))
<0> [72.271491] Dumping ftrace buffer:
<0> [72.271516] ---------------------------------
<0> [72.271644] modprobe-338     1.... 6706267us : __intel_gt_reset: 0000:00:02.0  engine_mask=ff
<0> [72.271748] modprobe-338     1.... 7071806us : __intel_context_active: 0000:00:02.0 rcs'0: context:5 active
<0> [72.271853] modprobe-338     1.... 7073163us : __intel_context_do_pin: 0000:00:02.0 rcs'0: context:5 pin ring:{head:0000, tail:0000}
<0> [72.271964] modprobe-338     1.... 7074794us : __intel_context_active: 0000:00:02.0 bcs'0: context:7 active
<0> [72.272068] modprobe-338     1.... 7074909us : __intel_context_do_pin: 0000:00:02.0 bcs'0: context:7 pin ring:{head:0000, tail:0000}
<0> [72.272178] modprobe-338     1.... 7075913us : __intel_context_active: 0000:00:02.0 vcs'0: context:9 active
<0> [72.272281] modprobe-338     1.... 7075989us : __intel_context_do_pin: 0000:00:02.0 vcs'0: context:9 pin ring:{head:0000, tail:0000}
<0> [72.272392] modprobe-338     1.... 7077249us : __intel_context_active: 0000:00:02.0 vecs'0: context:b active
<0> [72.272496] modprobe-338     1.... 7077369us : __intel_context_do_pin: 0000:00:02.0 vecs'0: context:b pin ring:{head:0000, tail:0000}
<0> [72.272607] modprobe-338     1.... 7077371us : intel_gt_resume.part.8: 0000:00:02.0